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139
RESULTS

Media Type
121
texts
14
movies
3
audio
1
data
Availability
138
Always Available
1
Available to Borrow
Topics & Subjects
29
Water Purification
27
water purification
17
Water -- Purification
11
Water
10
Division 22
10
Feed-water purification
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Collection
55
American Libraries
32
The Medical Heritage Library
23
European Libraries
23
UK Medical Heritage Library
21
Building Technology Heritage Library
20
California Digital Library
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Creator
3
caisse nationale de la recherche scientifique (france)
3
spencer, thomas
2
booth, wm. h. (william henry), 1853 or 4-1921
2
department of the army
2
fuller, george warren, b. 1868
2
hazen, allen, 1869-1930
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Language
120
English
7
French
1
Russian
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